import hashlib


def get_md5(*args: str):
    """字符串md5加密"""
    str = ''
    md5 = hashlib.md5(b'@#$%#%#%$@!#@')  # 加salt
    for i in args:
        str += i
    md5.update(str.encode('utf-8'))
    md = md5.hexdigest()
    return md
